function setActive(id_s)
{
	if(id_s)
	{
		var current_de = document.getElementById(id_s);

		current_de.className = current_de.className.replace('navigation', 'navigation-active');
	}
}

/**/



function setBodyLoad(id_s)
{
    setActive(id_s);

    this.__setRandomizer();

    setInterval(this.__setRandomizer, 15000);
}